Guide: How to update to Ionic 3.X

I am trying to update this app :

And I found many errors such as this :

  [12:08:23]  typescript: C:/app/resturant/src/pages/contact/contact.ts, line: 1
            Module '"C:/app/resturant/node_modules/ionic-angular/index"' has no exported member 'Page'.

       L1:  import {Page, NavController} from 'ionic-angular';

[12:08:23]  typescript: C:/app/resturant/src/pages/cart/cart.ts, line: 1
            Module '"C:/app/resturant/node_modules/ionic-angular/index"' has no exported member 'Page'.

       L1:  import {Page, NavController, Alert, ViewController, Modal} from 'ionic-angular';

[12:08:23]  typescript: C:/app/resturant/src/pages/cart/cart.ts, line: 3
            Cannot find module '../../services/menu-service'.

       L3:  import {CartItem, CartService} from '../../services/menu-service';

[12:08:23]  typescript: C:/app/resturant/src/pages/cart/cart.ts, line: 25
            Property 'create' does not exist on type 'typeof Modal'.

      L24:  checkout(){
      L25:      let modal = Modal.create(MyModal);
      L26:      this.nav.present(modal);

[12:08:23]  typescript: C:/app/resturant/src/pages/cart/cart.ts, line: 26
            Property 'present' does not exist on type 'NavController'.

      L25:      let modal = Modal.create(MyModal);
      L26:      this.nav.present(modal);

[12:08:23]  typescript: C:/app/resturant/src/pages/cart/cart.ts, line: 38
            Property 'create' does not exist on type 'typeof Alert'.

      L38:   let alert = Alert.create({
      L39:       title: 'Confirm Delete',

[12:08:23]  typescript: C:/app/resturant/src/pages/cart/cart.ts, line: 58
            Property 'present' does not exist on type 'NavController'.

      L57:  });
      L58:  this.nav.present(alert);

[12:08:23]  typescript: C:/app/resturant/src/pages/cart/cart.ts, line: 70
            Property 'create' does not exist on type 'typeof Alert'.

      L69:  } else {
      L70:      let alert = Alert.create({
      L71:          title: 'Error',

[12:08:23]  typescript: C:/app/resturant/src/pages/cart/cart.ts, line: 75
            Property 'present' does not exist on type 'NavController'.

      L74:      });
      L75:      this.nav.present(alert);

[12:08:23]  typescript: C:/app/resturant/src/pages/about/about.ts, line: 1
            Module '"C:/app/resturant/node_modules/ionic-angular/index"' has no exported member 'Page'.

       L1:  import {Page, NavController} from 'ionic-angular';

[12:08:23]  typescript: C:/app/resturant/src/pages/menu/menu.ts, line: 1
            Module '"C:/app/resturant/node_modules/ionic-angular/index"' has no exported member 'Page'.

       L1:  import {Page, NavController} from 'ionic-angular';

[12:08:23]  typescript: C:/app/resturant/src/pages/menu/menu.ts, line: 3
            Cannot find module '../../services/menu-service'.

       L3:  import {MenuService, MenuItem, CartService} from '../../services/menu-service';

[12:08:23]  typescript: C:/app/resturant/src/pages/main/main.ts, line: 1
            Module '"C:/app/resturant/node_modules/ionic-angular/index"' has no exported member 'Page'.

       L1:  import {Page, NavController} from 'ionic-angular';

[12:08:23]  typescript: C:/app/resturant/src/pages/home/home.ts, line: 1
            Module '"C:/app/resturant/node_modules/ionic-angular/index"' has no exported member 'Page'.

       L1:  import {Page, NavController} from 'ionic-angular';

Error: The Angular AoT build failed. See the issues above
    at C:\app\resturant\node_modules\@ionic\app-scripts\dist\aot\aot-compiler.js:232:55
    at step (C:\app\resturant\node_modules\@ionic\app-scripts\dist\aot\aot-compiler.js:32:23)
    at Object.next (C:\app\resturant\node_modules\@ionic\app-scripts\dist\aot\aot-compiler.js:13:53)
    at fulfilled (C:\app\resturant\node_modules\@ionic\app-scripts\dist\aot\aot-compiler.js:4:58)

How can I make this app runing !?